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  <title>Sets the database operation</title>
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<div id="layout">
  <div id="layout-content"><div id="function.oci-set-db-operation" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">oci_set_db_operation</h1>
  <p class="verinfo">(PHP 7 &gt;= 7.2.14, PHP 8, PHP 7 &gt;= 7.3.1, PHP 8, PECL OCI8 &gt;= 2.2.0)</p><p class="refpurpose"><span class="refname">oci_set_db_operation</span> &mdash; <span class="dc-title">Sets the database operation</span></p>

 </div>
 
 <div class="refsect1 description" id="refsect1-function.oci-set-db-operation-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>oci_set_db_operation</strong></span>(<span class="methodparam"><span class="type">resource</span> <code class="parameter">$connection</code></span>, <span class="methodparam"><span class="type">string</span> <code class="parameter">$action</code></span>): <span class="type">bool</span></div>

  <p class="para rdfs-comment">
    Sets the DBOP for Oracle tracing.
  </p>
  <p class="para">
   The database operation name is registered with the database when the next
   &#039;round-trip&#039; from PHP to the database occurs, typically when a SQL
   statement is executed.
  </p>
  <p class="para">
   The database operation can subsequently be queried from database administration
   views such as <code class="literal">V$SQL_MONITOR</code>.
  </p>
  <p class="para">
   The <span class="function"><strong>oci_set_db_operation()</strong></span> function is available
   when OCI8 uses Oracle 12 (or later) Client libraries and Oracle Database 12 (or later).
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.oci-set-db-operation-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>
    
     <dt>
<code class="parameter">connection</code></dt>

     <dd>

       <p class="para">Oracle 连接标识，由
<span class="function"><a href="function.oci-connect.html" class="function">oci_connect()</a></span>，<span class="function"><a href="function.oci-pconnect.html" class="function">oci_pconnect()</a></span>，或
<span class="function"><a href="function.oci-new-connect.html" class="function">oci_new_connect()</a></span> 返回。</p>
     </dd>

    
    
     <dt>
<code class="parameter">action</code></dt>

     <dd>

      <p class="para">
       User chosen string.
      </p>
     </dd>

    
   </dl>

  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.oci-set-db-operation-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   成功时返回 <strong><code>true</code></strong>， 或者在失败时返回 <strong><code>false</code></strong>。
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-function.oci-set-db-operation-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-1877">
    <p><strong>示例 #1 Setting the DBOP</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /><br />$c&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">oci_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'hr'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'welcome'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'localhost/XE'</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">//&nbsp;Record&nbsp;the&nbsp;operation<br /></span><span style="color: #0000BB">oci_set_db_operation</span><span style="color: #007700">(</span><span style="color: #0000BB">$c</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'main&nbsp;query'</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">//&nbsp;Code&nbsp;that&nbsp;causes&nbsp;a&nbsp;round-trip,&nbsp;for&nbsp;example&nbsp;a&nbsp;query:<br /></span><span style="color: #0000BB">$s&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">oci_parse</span><span style="color: #007700">(</span><span style="color: #0000BB">$c</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'select&nbsp;*&nbsp;from&nbsp;dual'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$s</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_fetch_all</span><span style="color: #007700">(</span><span style="color: #0000BB">$s</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$res</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">sleep</span><span style="color: #007700">(</span><span style="color: #0000BB">30</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
    </div>

    <div class="example-contents screen">
<div class="cdata"><pre>
// While the script is running, the administrator can see the database operations
// being performed:

sqlplus system/welcome
SQL&gt; select dbop_name from v$sql_monitor;
</pre></div>
    </div>
   </div>
  </p>
 </div>


 <div class="refsect1 notes" id="refsect1-function.oci-set-db-operation-notes">
  <h3 class="title">注释</h3>
  <div class="caution"><strong class="caution">警告</strong><h1 class="title">Roundtrip Gotcha</h1>
<p class="para">一些 OCI8 函数会导致 Roundtrips. 对数据库来说当启用结果缓存时，查询可能不产生 Roundtrips。</p></div>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.oci-set-db-operation-seealso">
   <h3 class="title">参见</h3>
   <p class="para">
     <ul class="simplelist">
       <li class="member"><span class="function"><a href="function.oci-set-action.html" class="function" rel="rdfs-seeAlso">oci_set_action()</a> - Sets the action name</span></li>
       <li class="member"><span class="function"><a href="function.oci-set-module-name.html" class="function" rel="rdfs-seeAlso">oci_set_module_name()</a> - Sets the module name</span></li>
       <li class="member"><span class="function"><a href="function.oci-set-client-info.html" class="function" rel="rdfs-seeAlso">oci_set_client_info()</a> - Sets the client information</span></li>
       <li class="member"><span class="function"><a href="function.oci-set-client-identifier.html" class="function" rel="rdfs-seeAlso">oci_set_client_identifier()</a> - Sets the client identifier</span></li>
     </ul>
   </p>
 </div>


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